document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=704924>Question 704924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two trains leave the station, one traveling east at 40mph the other west at 30mph. how long will it take for the trains to be 245 miles apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434345 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=434345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> two trains leave the station, one traveling east at 40mph the other west at 30mph. how long will it take for the trains to be 245 miles apart?<BR>\n" );
document.write( "let x=distance train traveling east<BR>\n" );
document.write( "245-x=distance train traveling west<BR>\n" );
document.write( "Travel time=distance/speed (same for both trains)<BR>\n" );
document.write( "x/40=245-x/30<BR>\n" );
document.write( "30x=9800-40x<BR>\n" );
document.write( "70x=9800<BR>\n" );
document.write( "x=140<BR>\n" );
document.write( "Travel time=140/40=3.5 hrs<BR>\n" );
document.write( "how long will it take for the trains to be 245 miles apart? 3.5 hrs </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );